11320420524 has 48 divisors (see below), whose sum is σ = 30196578048. Its totient is φ = 3233464128.

The previous prime is 11320420523. The next prime is 11320420543. The reversal of 11320420524 is 42502402311.

It is a junction number, because it is equal to n+sod(n) for n = 11320420494 and 11320420503.

It is not an unprimeable number, because it can be changed into a prime (11320420523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301734 + ... + 337170.

It is an arithmetic number, because the mean of its divisors is an integer number (629095376).

Almost surely, 2^11320420524 is an apocalyptic number.

11320420524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11320420524 is an abundant number, since it is smaller than the sum of its proper divisors (18876157524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11320420524 is a wasteful number, since it uses less digits than its factorization.

11320420524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39254 (or 39252 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 11320420524 its reverse (42502402311), we get a palindrome (53822822835).

The spelling of 11320420524 in words is "eleven billion, three hundred twenty million, four hundred twenty thousand, five hundred twenty-four".